1946456879 has 2 divisors, whose sum is σ = 1946456880. Its totient is φ = 1946456878.

The previous prime is 1946456849. The next prime is 1946456909. The reversal of 1946456879 is 9786546491.

It is a balanced prime because it is at equal distance from previous prime (1946456849) and next prime (1946456909).

It is a cyclic number.

It is not a de Polignac number, because 1946456879 - 2⁸ = 1946456623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1946456849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973228439 + 973228440.

It is an arithmetic number, because the mean of its divisors is an integer number (973228440).

Almost surely, 2^1946456879 is an apocalyptic number.

1946456879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1946456879 is an equidigital number, since it uses as much as digits as its factorization.

1946456879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 59.

The square root of 1946456879 is about 44118.6681462621. The cubic root of 1946456879 is about 1248.5758455635.

The spelling of 1946456879 in words is "one billion, nine hundred forty-six million, four hundred fifty-six thousand, eight hundred seventy-nine".